Programming languages and translators
9 flashcards to master Programming languages and translators
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Define 'high-level language' and provide an advantage over low-level languages.
A high-level language uses English-like statements, making it easier for humans to read and write. Advantage: Programs are easier to debug and maintain compared to low-level languages.
What is 'machine code' and why is it important for computers?
Machine code is the lowest-level programming language, consisting of binary instructions (0s and 1s) that a computer can directly execute. It is essential because the CPU can only understand and process machine code.
Explain 'assembly language' and its relationship to machine code.
Assembly language is a low-level programming language that uses mnemonics to represent machine code instructions. It's a more human-readable representation of machine code, requiring an assembler to translate it to machine code.
Describe the purpose of a 'compiler' and explain the type of code it generates.
A compiler translates the entire source code of a high-level language into machine code (or object code) in one go. It produces an executable file that can be run later independently.
Explain how an 'interpreter' differs from a compiler in translating source code.
An interpreter translates and executes source code line by line. It does not create a separate executable file; the code is executed directly by the interpreter each time it's run.
What is the function of an 'assembler'?
An assembler translates assembly language code into machine code. It converts the mnemonic instructions into their corresponding binary representations that the computer can understand and execute.
Distinguish between 'source code' and 'object code'.
Source code is the human-readable code written by a programmer in a high-level language. Object code is the machine-readable code produced by a compiler after translating the source code.
Describe an 'IDE' (Integrated Development Environment) and its common features.
An IDE is a software application that provides comprehensive facilities to computer programmers for software development. Common features include a code editor, debugger, and compiler/interpreter.
Give an example of when using an interpreter would be more appropriate than using a compiler.
An interpreter is more appropriate for development and testing, where rapid changes and debugging are frequent. Changes can be tested immediately without recompiling the entire program.
Key Questions: Programming languages and translators
Define 'high-level language' and provide an advantage over low-level languages.
A high-level language uses English-like statements, making it easier for humans to read and write. Advantage: Programs are easier to debug and maintain compared to low-level languages.
What is 'machine code' and why is it important for computers?
Machine code is the lowest-level programming language, consisting of binary instructions (0s and 1s) that a computer can directly execute. It is essential because the CPU can only understand and process machine code.
Explain 'assembly language' and its relationship to machine code.
Assembly language is a low-level programming language that uses mnemonics to represent machine code instructions. It's a more human-readable representation of machine code, requiring an assembler to translate it to machine code.
Describe the purpose of a 'compiler' and explain the type of code it generates.
A compiler translates the entire source code of a high-level language into machine code (or object code) in one go. It produces an executable file that can be run later independently.
Explain how an 'interpreter' differs from a compiler in translating source code.
An interpreter translates and executes source code line by line. It does not create a separate executable file; the code is executed directly by the interpreter each time it's run.
About Programming languages and translators (4.3)
These 9 flashcards cover everything you need to know about Programming languages and translators for your Cambridge IGCSE Computer Science (0478) exam. Each card is designed based on the official syllabus requirements.
What You'll Learn
- 8 Definitions - Key terms and their precise meanings that examiners expect
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